ceqn11.zip Charateristic Equation of Matrix kana21.zip This is a system-rpl re-write/adaptation of Marc Moline's original "Japanese" program, which is an aid to learning the Japanese Hira-gana and Katakana alphabets. math210.zip An almost complete math package for dealing with matrices and polynomials pertblgx.zip The HP 48 Periodic Table Library is a RAM-based version of the Periodic Table application that was originally distributed in the HP 82211A HP Solve Equation Library Card. simneq51.zip SIMULTANEOUS NONLINEAR EQUATIONS SOLVER version 5.1 smpte.zip This periodic table is written in user rpl & therefore by nature somewhat inefficient. The good news is that it is less than 9300 bytes in its directory form and only 7050 bytes in the compressed library form. triangls.zip This program calculates the unkowns of a triangle and area when you know 3 parameters (e.g. 2 side lengths and one angle). This works for both right and obtuse triangles with C as the angle that is 90 degrees if it is a right triangle.