Could a student use this instead of Ti 85?

There’s a school actually still asking for TI 85s as of a year ago? Anyway this is more comparable to a ti 81 or ti 80 (using close to 30 year old calculators as I’m in shock to see someone asking about a ti 85

Is this calculator the same as a TI-83/84 calculator?

A couple of weak points from my perspective. The 1/x function requires two button presses - I use that all the time for chained calculations in chemistry, so dedicated button is a must for me. Also the RCL is a two button-press operation whereas STO is direct one-press; for me, it should be the other way around because I store often-used constants, like ideal gas constant, avogadro number, etc., in memories and need them with single button press. Button presses matter, especially on tests.

where is the function button on this CS-183? for: X^Y power (example 4^4 = 4x4x4 = 64

I don't know. The instructions for the unit were so bad I ended up giving it to a friend's daughter. I bought a reconditioned TI-89 from Amazon: plenty of YouTube videos for using the TI-89. The unit in question may be a very capable calculator; the included instructions are terrible. No YouTube support.

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📈 Elevate Your Calculations with Style!

VERSATILE MODES - Switch effortlessly between Angular Measurement, Calculation, and Display modes.
VISUALIZE WITH EASE - Experience simultaneous graph and equation display for enhanced understanding.
COMPACT CONVENIENT - Lightweight design (18.1L x 11.4W cm) for easy portability in your backpack.
FUNCTIONALITY GALORE - Unlock over 360 functions, from statistics to complex number calculations.
DESIGNED FOR ALL LEVELS - Perfect for high school and college courses, from Algebra to Calculus.

The CATIGAScientific Calculator is a versatile tool designed for students at all levels, featuring a large LCD display that allows for simultaneous viewing of graphs and equations. With over 360 functions and multiple operating modes, it caters to a wide range of mathematical disciplines, making it an essential companion for both beginners and advanced learners.

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Manufacturer	Catiga
Brand	CATIGA
Model number	CS-229
Product Dimensions	18.08 x 11.43 x 0.25 cm; 136.08 g
Batteries	1 LR44 batteries required. (included)
Color	Black
Material Type	Plastic
Number of Items	1
Size	Small
Manufacturer Part Number	CS-229
Item Weight	136 g

CATIGA CS229 Scientific Calculator with Graphics Functions, Multiple Modes with Intuitive User Interface for Beginners and Advanced Courses

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