tcalc

Terminal Floating-Precision Calculator written in C99

Usage:

tcalc "2 * 3 ^ ln(2)"
tcalc "[sin(5)]^2 + [cos(5)]^2"
tcalc "5 + sin(2 * pi)"
tcalc "23 + arcsin(0.5) * (1 / 4)"

Accepted Operators

• a + b
• a - b
• a * b
• a / b
• a % b
• -a
• +a

Accepted Functions

Trigonometric Functions

• sin(a), cos(a), tan(a)
• sec(a), csc(a), cot(a)
• asin(a), arcsin(a), acos(a), arccos(a), atan(a), arctan(a)
• asec(a), arcsec(a), acsc(a), arccsc(a), acot(a), arccot(a)

Hyperbolic Functions

• sinh(a), cosh(a), tanh(a)
• asinh(a), arcsinh(a), acosh(a), arccosh(a), atanh(a), arctanh(a)

Exponential Functions

• log(a)
• ln(a)
• exp(a)
• sqrt(a)
• cbrt(a)
• pow(a, b)

Other Functions

• ceil(a)
• floor(a)
• round(a)
• abs(a)

Accepted Grouping Symbols

• (a)
• [b]

Accepted Variables:

• pi
• e