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##### OSALO Scientific Calculator 240 Function 2 Line Display Solar and Battery Calculators for Middle School College Students (OS 82MS 2nd Edition)

【240 Functions Scientific Calculator】It is a professional scientific calculator that can be counted using stat-data editor calculations. The scientific calculator can also perform basic mathematical operations, including triangular functions, roots, n-th roots, percentages, scores, complex numbers, permutations, linear regression, standard deviations, and variable solving.
【Brightness Adjustment Function】The screen brightness can be adjusted by simple operation to get the best display effect, dimming to relieve eye fatigue, brightening to get clearer display results, to improve the calculation efficiency.
【2-Line Scientific Calculator】Input expressions and arithmetic operations is more easy to read than traditional calculators. The 2 line display shows both input and calculation results, convenient for students to check the calculation process and results.

##### OSALO Scientific Calculator 401 Function 10+2 Digits Display Solar Battery Calculators Fraction Statistics Integral for Middle and High School College Students (OS 991MS 2nd Edition)

【401 Functions Scientific Calculator】With 401 functions for fractions, matrix calculations, statistics, calculus, complex number calculations, equation calculation, standard deviation, vector calculation, permutations and combinations, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
【Brightness Adjustment Function】The screen brightness can be adjusted by simple operation to get the best display effect, dimming to relieve eye fatigue, brightening to get clearer display results, to improve the calculation efficiency.
【2-Line Scientific Calculator】Input expressions and arithmetic operations is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results.

##### OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar Calculators (OS 991ES Plus 2nd Edition)

【417 Functions Scientific Calculator】With 417 functions for fractions, exponents, matrix calculations, statistics, integral, algebra, complex number calculations, standard deviation, solving for variables, permutations and combinations, and linear regression, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results.
【Brightness Adjustment Function】The screen brightness can be adjusted by simple operation to get the best display effect, dimming to relieve eye fatigue, brightening to get clearer display results, to improve the calculation efficiency.

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~~$23.99~~ Original price was: $23.99.$21.99Current price is: $21.99.
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##### OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar Scientific Calculator (OS 991ES Plus)

【417 Functions Scientific Calculator】The scientific calculator has 417 functions and covers the most scientific functions what college students need to use at university. Reading instruction attached will help you know how to use and find these functions.
【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. Written display expression same as textbook,convenient for students to check the calculation process and results.
【Dual Power Source Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.

##### OSALO Scientific Calculator Basic Large Display 10+2 Digits Written for Middle School (OS 82MS Pro)

240 Function Scientific Calculator: It is a professional scientific calculator that can be counted using stat-data editor calculations. The scientific calculator can also perform basic mathematical operations, including triangular functions, roots, n-th roots, percentages, scores, complex numbers, permutations, linear regression, standard deviations, and variable solving.
2-line large display: Double line LCD display is clearer, easier to read, allowing you to view the calculation formula and results at the same time. When using equations, the 12-digits large display can display equations at the same time, so that you can view computing and correction in high detail.
Scientific calculator is suitable for middle school students, easy to handle 1 and 2 variable statistical calculations and three angle modes (degrees, radians and gradients) suitable for advanced and elementary courses, including algebra, geometry, triangle, calculus, etc.