Graphing Calculator + Math PRO (Android App) for free. Note that you need to be logged into your Google Play account in order to see the free offer. It is meant to replace handheld graphing calculators. At the time of this post, it has an overall 4.8 out of 5 stars after 4288 user reviews.
Graphing Calculator
Texas Instruments TI-84 Plus Graphing Calculator for $88.00 Shipped
Texas Instruments TI-84 Plus Graphing Calculator for $88.00 shipped. Here is a screenshot for reference. This is a popular graphing calculator for many high schools and colleges. The TI-84 features 7 different graphing styles and functions such as financial, equation solving, statistical, graphic, forecasting, engineering, and more. Most places have it for about $99.
Texas Instruments TI-Nspire Graphing Calculator with Touchpad for $61.17 Shipped
Texas Instruments TI-Nspire Graphing Calculator for $61.17 shipped. Here is a screenshot for your reference. The TI-series graphing calculators are among the most popular graphing calculators for students and educational institutions. Most places have it for about $129.
Texas Instruments TI-84 Plus Graphing Calculator for $79.97 Shipped
Texas Instruments TI-84 Plus Silver Edition Graphing Calculator for $79.97 shipped. Here is a screenshot for reference. This is a popular graphing calculator for many high schools and colleges. The TI-84 features 7 different graphing styles and functions such as financial, equation solving, statistical, graphic, forecasting, engineering, and more. Most places have it for about $99.
Texas Instruments TI-89 Graphing Calculator for $119.99 Shipped
Texas Instruments TI-89 Graphing Calculator for $119.99 shipped after promo code BIGLEAP. Here is a screenshot for your reference. It features 188 KB RAM and 2.7 MB flash memory for speed, and USB port for file sharing with other calculators and connecting with PCs. Most places have it for about $139 or more.
Texas Instruments TI-83 Plus Graphing Calculator for $76.99 Shipped
Texas Instruments TI-83 Plus Graphing Calculator for $76.99 shipped. Here is a screenshot for your reference. Alternatively, it is also available at Newegg for the same price shipped. This is probably the most popular and commonly used calculator for students and is often used in higher level mathe classes in high school and many college courses. Most places have it for about $100.
Texas Instruments TI-84 Plus Silver Edition Graphing Calculator for $83.89 Shipped
Texas Instruments TI-84 Plus Silver Edition Graphing Calculator for $83.89 shipped after coupon code 82632163 and a $15 rebate. Here is a screenshot before the $15 rebate for your reference. This is a popular graphing calculator for many high schools and colleges. The TI-84 features 7 different graphing styles and functions such as financial, equation solving, statistical, graphic, forecasting, engineering, and more. Most places have it for about $129 or more.
Texas Instruments TI-Nspire Graphing Calculator with Touchpad for $128.57 Shipped
Texas Instruments TI-Nspire Graphing Calculator for $128.57 shipped. Here is a screenshot for your reference. The TI-series graphing calculators are among the most popular graphing calculators for students and educational institutions. Most places have it for about $149.
Texas Instruments TI-NSpire Graphing Calculator for $109.99 Shipped
Texas Instruments TI-NSpire Graphing Calculator for $109.99 shipped after coupon code 80932878 and this $20 rebate. Here is a screenshot before the $20 rebate for your reference. It usually sells for over $135.
Texas Instruments TI-84 Plus Graphing Calculator for $74.99 Shipped
Texas Instruments TI-84 Plus Graphing Calculator for $74.99 after this $20 rebate and coupon code 11525859. Here is a screenshot before the $20 rebate for your reference. Most places have this graphing calculator for over $110.