aj/chamilo-lms2

作者	SHA1 备注	提交日期
Daniel Barreto	5be9900d67 Add cotangent, secant and cosecant functions lang vars - refs CT#7435	10 年之前
Daniel Barreto	dc34ea069f Delete duplicated math expression for trigonometric functions - refs CT#7435	10 年之前
Imanol Losada	ce8f8d4301 Fix warning messages. Add formula notation. Now picks random float values even if edge values seem integers (like 10.00 or 20.0)	10 年之前