FX-4500PA     2-tier display and program file system 2-tier display shows formulas and results simultaneously. High utility variation of program steps (1,103 - 7) and data memories (26 - 163) Program file system for storing multiple programs Perfect entry system Replay funtcion Engineering symbol calculations Formula memory Integrations Statistics (Standard deviation, Regression analysis) Base conversion/calculations logical operations   *An integrated hard case swings back a full 360 degrees. FX-4800P     Easy-to-read 4-line display and solve function Solve function Formula storage and Table function Programming function with filename registration (4,500 bytes) Complex number calculations Differential and Integration Sigma calculation Recursions   Copyright © 2003-2022 Javy's International Ltd. All Rights Reserved.