(calc-do-keypad, calc-inv-hyp-prefix-help)

(calc-do-keypad, calc-inv-hyp-prefix-help)
(calc-inverse-prefix-help, calc-hyperbolic-prefix-help)
(calc-explain-why, calc-clear-command-flag)
(calc-roll-down-with-selections, calc-roll-up-with-selections)
(calc-last-args, calc-is-inverse, calc-do-prefix-help)
(math-objvecp, math-known-scalarp, math-vectorp, math-matrixp)
(math-trunc-special, math-trunc-fancy, math-floor-special)
(math-floor-fancy, math-square-matrixp, math-matrix-inv-raw)
(math-known-matrixp, math-mod-fancy, math-pow-of-zero)
(math-pow-zero, math-pow-fancy): Declare as functions.