Ñóùåñòâóþò ñëåäóþùèå ñòàíäàðòíûå ôóíêöèè, ïîääåðæèâàåìûå ñèñòåìîé ISaGRAF. Ýòè ôóíêöèè ïðåäîïðåäåëåíû è èõ íå íóæíî çàÿâëÿòü â áèáëèîòåêå.
Ìàòåìàòè÷åñêèå.................... ABS ìîäóëü
EXPT, POW ýêñïîíåíòà, ñòåïåíü
LOG ëîãàðèôì
SQRT êîðåíü êâàäðàòíûé
TRUNC îòðåçàòü äåéñòâèòåëüíóþ ÷àñòü
Òðèãîíîìåòðè÷åñêèå.............. ACOS, ASIN àðêêîñèíóñ, àðêñèíóñ
ATAN àðêòàíãåíñ
COS, SIN êîñèíóñ, ñèíóñ
TAN òàíãåíñ
Ðàáîòà ñ ðåãèñòðàìè............. ROL, ROR âðàùàòü âëåâî, âðàùàòü âïðàâî
SHL, SHR ñäâèã âëåâî, ñäâèã âïðàâî
Ðàáîòà ñ äàííûìè.................. MIN, MAX Ìèíèìóì, Ìàêñèìóì
LIMIT Îãðàíè÷åíèå
MOD Ìîäóëü
MUX4, MUX8 Ìóëüòèïëåêñîð (4 è 8 âõîäîâ)
SEL Äâîè÷íûé ñåëåêòîð
ODD ×åòíîñòü
RAND Ñëó÷àéíàÿ âåëè÷èíà
Ïðåâðàùåíèå äàííûõ............ ASCII Ñèìâîë à ASCII êîä
CHAR ASCII êîä à
ñèìâîë
Ðàáîòà ñî ñòðîêàìè.................MLEN Âçÿòü äëèíó ñòðîêè
DELETE Óäàëèòü ïîäñòðîêó
INSERT Âñòàâèòü ñòðîêó