ARITH-MATIC

ARITH-MATIC is an extension of Grace Hopper's A-2 programming language,^[1] developed around 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of Remington Rand UNIVAC.

Some ARITH-MATIC subroutines

Type	Subroutine	Description	Explanation
Arithmetic	AAO(A)(B)(C)	A+B=C	The A in the middle of 'AA0' stands for addition
Arithmetic	ASO(A)(B)(C)	A-B=C	The S in the middle of 'AS0' stands for subtraction
Arithmetic	AMO(A)(B)(C)	A*B=C	The M in the middle of 'AM0' stands for multiplication
Arithmetic	ADO(A)(B)(C)	A/B=C	The D in the middle of 'AD0' stands for division
Trigonometric	TSO(A)OOO(B)	Sin(A)=B	The S in the middle of 'TS0' stands for Sin
Trigonometric	TCO(A)OOO(B)	Cos(A)=B	The C in the middle of 'TC0' stands for Cos
Trigonometric	TTO(A)OOO(B)	Tan(A)=B	The T in the middle of 'TT0' stands for Tan
Trigonometric	TAT(A)OOO(B)	Arctan(A)=B	The AT stands for Arctan
Hyperbolic	HSO(A)OOO(B)	Sinh(A)=B	The S in the middle of 'HS0' stands for Sin h
Hyperbolic	HCO(A)OOO(B)	Cosh(A)=B	The C in the middle of 'HC0' stands for Cos h
Hyperbolic	HTO(A)OOO(B)	Tanh(A)=B	The T in the middle of 'HT0' stands for Tan h
General Mathematical	SQR(A)OOO(B)	Sqrt(A)=B
General Mathematical	APN(A)(N)(B)	A**N=B	**: Exponentiation

↑ Sammet, Jean (1969). Programming Languages: History and Fundamentals. Prentice-Hall. p. 132. ISBN 978-0-13-729988-1.
↑ Ash R, Broadwin E, Della Valle V, Greene M, Jenny A, Katz C, Yu L (April 19, 1957). Preliminary Manual for MATH-MATIC and ARITH-MATIC Systems for Algebraic Translation and Compilation for Univac I and II (PDF) (Technical report). Philadelphia, Penn.: Remington Rand Univac. Archived from the original (PDF) on September 27, 2016. Retrieved 2016-09-23.

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