Graph Calculator

A pocket graphing calculator for plotting typed y= expressions.

Controls:

• Type digits, x, +, -, *, /, ^, ., and parentheses
• S: insert sin(
• c: insert cos(
• T: insert tan(
• Q: insert sqrt(
• Backspace: delete
• C: clear
• Esc: reset to sin(x)
• Z / A: zoom in or out