Tag Archives: Terminal

 

My Terminal Trading Chart is live!

2026-06-10
Terminal Trading Chart in action with ROKU stock 2026-06-13

Finally my 2016 open source project Terminal Trading Chart is live!
…I never thought I’d write those words.

Back in 2016, I started a small experiment:
What if I could visualize buying and selling pressure directly inside a terminal, using nothing but Unicode and ANSI colors?

The idea was simple:

  • Green on top = buying volume
  • Red on bottom = selling volume
  • Thicker glyphs = higher volume
    Using only three glyphs: U+2502, U+2503 and U+2588

But life got in the way. The project stayed in a drawer. Unfinished.

Until now.

Thanks to Claude and DeepSeek AI, I was able to finally bring this vision to life. With their help, the code is clean, the logic is solid, and, most importantly, the signals are readable at a single glance.

Today, I’m releasing Terminal Trading Chart as open source.
I never expected to feel emotional about a terminal chart. But seeing those green and red columns light up with real volume data… yes, it moved me.
I’m curious: does it move you too?

GitHub: Terminal Trading Chart
⭐ Star it if you believe in minimalistic, signal-focused tools.

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PragmataPro and PragmataPro Variable 0.901 out now!

2025-08-20

This minor update contains numerous fixes and a handful of improvements:

— New Markdown ligatures design

PragmataPro 0.901 new Markdown ligatures

Now the ballot boxes are more geometric and wider in the modular-spaced versions of PragmataPro.
This solution fixes some overlapping issues in Terminal applications.

— Looking for a text-only loading animation?

Loading circled animation based on PragmataPro text only

New design of arc glyphs ◜ ◠ ◝ ◞ ◡ ◟
Now more consistent with the related circle symbol

— Other changes:

— all weights: added Math glyphs with the same weight of the Latin letters activable, enabling ss19 Stylistic Set 19 feature.

— all weights: improved TrueType hinting of some digits, $ symbol and == === ligatures.

— all weights Mono: added missing Powerline symbols.

— all weights Mono: added new stars Dingbats.

— all weights: added <--- <---> ---> ligatures.

— all weights: — emdash and – endash are now monospaced in modular-spaced versions.

Feel free to contact me directly or notify an issue via Github to improve PragmataPro and PragmataPro Variable again and again.
Thank you!

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PragmataPro 0.829: Curly Git tree and new essential glyphs

2021-05-14

This version coming from my experience as web developer.
Often I exchanged colon (:) with semicolon (;) and sometime I had the suspect that L lowercase can be more distinguished using a new design. After this redesign I can work now more sure to avoid misinterpretations.

Redesign dollar l colon eszett in PragmataPro 0.829

— Curly slash and backslash in Git tree command line

It’s possible to enable it using Pragmata Pro™ with OpenType Stylistic Set 13 named ‘git tree’.
Every slash and backslash, at specific conditions, will appears with curly terminations even with Italic versions.
From now coders can see a more nice Git tree in their command line editor

PragmataPro command line git tree

— Extended the range of ligatures

Ligatures helps a lot the programmers. Now the help is increased!

PragmataPro 0829 ligatures

— Added Bulgarian and Serbian language support

Cyrillic set now includes also Bulgarian and Serbian characters

— Other improvements:

— Regular: Soft dotted improved and Mathematical Alphanumeric Symbols glyphs can be accented
like other standard letters using Combining Diacritical Marks set

— Regular: improved the design of APL glyphs

— Regular: improved the design of Mathematical Operators

— Regular: BQN programming glyphs like
˜˘•÷׬⎉⚇⍟◶⊘⎊⍎⍕⟨⟩√⋆⌽∊↑∧⊔⊏⊐π←↙⍷⍋⊑⊒⍳⊣⊢⍉↕⊸∘○⟜⋄↩↖⌾⥊↓∨⌊⍒⌈≢≤≥⇐… are improved by design

— Regular: added curly arrows ︎↖︎↗ ↙↘︎ ↘︎↙ ↗↖︎ ligature coming from ↘︎ ↖︎ ↗ ↙ diagonal arrows combinations

— Regular: Geometric Shapes set are more distinguished at small sizes

— Regular: added Combining Diacritical Marks Extended and Combining Diacritical Marks Supplemental set

— all weights: checkmarks appears by default from now, no more from Stylistic Set ss12

— all weights: added Creative Commons glyphs and harmonized © copyright sign also

— all weights: added Hellschreiber pause symbol

— all weights: improved design and positioning of Graphics for Legacy Computing symbols

Feel free to contact me directly or notify an issue via Github to improve PragmataPro again and again.
Thank you!

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PragmataPro 0.827: a giant running like a cheetah!

2018-09-05

PragmataPro 0.827 loading time, a giant running like a cheetahWith the help of @kelas and other good friends of Pragmata Pro from the open source community, version 0.827 comes with a brand new ligature substitution engine which is 10-20x faster than before, depending on the input.

Now Pragmata Pro, with its 9437 glyphs, can be loaded in a few µs.
Practically a giant who run like a cheetah!

 

— Java and C/C++ reserved keywords are now kerned

PragmataPro C++ and Java reserved keywords kerned with GPOS table

Pragmata Pro™ is the first monospaced typeface to offer precise glyph positioning in common programming keywords, enabled by default in editors that support OpenType GPOS table.
The consistency and orthogonality of fixed pitch is now combined with the finesse of a proportional font.
The result is less tiring, aesthetically pleasing coding experience.
Your eye will know the difference before you do.

 

 

— Added Enclosed Alphanumerics set

Pragmata Pro Enclosed Alphanumerics

In all the weights of all the versions.

 

 

— Enabled Hebrew Nikkud

Pragmata Pro Hebrew Nikkud

At the moment only in Regular versions. In the next releases the same marking system will be added to all the weights and also in Arabic alphabet.

 

 

— Added Markdown checklist ligatures

Markdown checklist ligatures are available enabling OpenType Stylistic Set 12 in your editor and are based on these combinations:

- [ ]    - [-]    - [v]    - [x]

 

— Marks and accents are combinable with letters

PragmataPro sample of letters combined with marksMarks  are often used in Phonetics texts and Mathematical formulas.
Since this version they are in their right place.

 

 

— Other improvements:

— all weights: problems with some terminal emulators have been resolved

— all weights: added these ligatures:
|- turnstile like
||- double turnstile like
_|_ bottom like
=~= <-< >-> <--> <== <<== ==>>

— all weights: vertical position of * (asterisk) are aligned to x-height

— Regular: improved TrueType hinting of → ← ↑ ↓ # { } / \

— Regular: improved the consistency between Mathematical Operators and Miscellaneous Technical set

— Bold, Italic and Bold Italic: added IPA characters and its extensions

— all weights: typing us after numbers and space will appears microsecond µs in serif variant

 

 

Feel free to contact me directly or notify an issue via Github to improve PragmataPro again and again.
Thank you!

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PragmataPro 0.824 – more ligatures and compatibility

2016-09-21
PragmataPro 0.824 more ligatures and compatibility

all weights: Ligatures are now Contextual Alternates OpenType features to obtain more compatibility with the most part of Text Editors

all weights: added these important ligatures for Scala programming:
## ++= -+- -\/ \/- <~< <==> =/= ??? |-> |--> |=> |==>

all weights: improved the design of these ligatures:
<!-- <-- -->

all weights: added ligatures to emphasize important message in command line
[INFO] [WARNING] [FATAL] [ERROR] [TRACE] [DEBUG] [WARN] [ERR]
(thanks to Kim Silkebækken for this cool idea!)

Regular: improved the hinting of numerous glyphs like x, s, twosuperior, threesuperior, questiondown

Regular: improved the design of some math operators
emptyset, intersection, union, multiset, multisetmultiplication, multisetunion, plus.circled, minus.circled, multiply.circled, fraction.circled, operator.circled, ringoperator.circled, asteriskoperator.circled, equals.circled, dash.circled, squaredplus, squaredminus, squaredtimes, squareddotoperator, logicalnotReversed, turnedNotSign, blackDiamond, whiteDiamond, blackDiamond, whiteDiamond, supersetBesideSubset, supersetBesideAndJoinedByDashWithSubset, doubleStrokeNotSign, reversedDoubleStrokeNotSign, logicalnot
(thanks to Miëtek Bak for the important support!)

Please visit PragmataPro page for more infos

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