Calculator Construction Kit

ii Instrument live preview

iii Construction live tweaks

Tweaks · always on

Hue

60°

Key radius

Calc radius

Gap

Padding

Key aspect

1.00

Display font

Button font

Display size

Display wt

Key size

Key weight

Display align

Show expr

Wide zero

Tall equals

Sci keys

Decimals

Group sep

Style

Backend: local
Tweaks live in your browser. Saved calculators sync by name.