Release calc version 2.10.3t5.45

help/free

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+NAME
+    free - free the memory used to store values of lvalues
+
+SYNOPSIS
+    free(a, b, ...)
+
+TYPES
+    a, b, ... 	any
+
+    return	null value
+
+DESCRIPTION
+    Those of the arguments a, b, ... that specify lvalues are assigned
+    the null value, effectively freeing whatever memory is used to
+    store their current values.  Other arguments are ignored.
+
+    free(.) frees the current "old value".
+
+EXAMPLE
+    > a = 7
+    > mat M[3] = {1, list(2,3,4), list(5,6)}
+    > print memsize(a), memsize(M)
+    80 736
+
+    > free(a, M[1])
+    > print memsize(a), memsize(M)
+    16 424
+
+LIMITS
+    none
+
+LIBRARY
+    none
+
+SEE ALSO
+    freeglobals, freestatics, freeredc