Calculado

An accessible calculator for small phones or people who prefer large buttons.

Each key is extra wide to reduce typing errors. Operation keys are strategically moved to the top to optimize space.

Button actions are performed as soon as your fingers touch the screen to reduce mistypes from slipping fingers or people with reduced dexterity.

The number display is editable to allow you to fix typos and errors.

Button actions vibrate the device for extra assurance.

Optionally play a sound or speak the number for extra assurance and to enhance accessibility for users with low vision.

Follows basic calculator mathematics which calculate from left to right (not BODMAS or PEMDAS) for familiarity. e.g. [5] [+] [5] [/] [5] = 2