Reference Guide

3-304 Full Command and Function Reference
« → x y z 'x*y/2+z' »
is a user-defined function. Like a built-in function, a user-defined function can take its arguments
in stack syntax or algebraic syntax, and can take symbolic arguments. In addition, a user-defined
function is differentiable if its defining procedure is an algebraic expression that contains only
differentiable functions.
See also: DEFINE, LOCAL, STO
; (Semicolon)
Type: Command
Description: Drop Safe Command: Removes the level 1 object from the stack if there is one, otherwise does
nothing.
Access: …&í when flag –51 is clear ( íis the right-shift of the #key)
…í when flag –51 is set ( íis the right-shift of the #key).
Input/Output:
Level 1 Level 1
obj
→
→
See also: CLEAR, DROP, DROPN, DROP2