![]() It is a cheap calculator that can be perfect for ESO courses. It may interest you: Conclusion: Is Scientific Calculator Worth It Helect H-1002? It does not have the screen of other more expensive models, but it performs its function with dignity. The truth is that this is not bad for such a cheap calculator. Regression calculations (MODE 3): linear regression logarithmic, exponential, power, and inverse quadratic regression.Statistical calculations (SD and REG modes): Converting Polar and Rectangular Coordinates.Roots, factorials, permutations, combinations.Variables: STO + variable letter (up to 9 variables).You can also use the calculator memory in several ways: In the same way you can change the way to measure the angles. If you want to change the configuration of the number of decimals, significant digits or the exponential display format, you have to press MODE several times until you reach the screen where it says Fix – Sci – Norm. If you want to perform basic calculations, you go to COMP mode: Basic arithmetic calculations (MODE 1).You have to look carefully at the instruction book that comes with the calculator. ![]() Scientific calculator Helect H-1002: functions Scientific calculator Helect H-1002: designįACT! To change the batteries, remove all the screws on the back. We have not been able to find the online user manual in PDF, but with the calculator comes a small instruction book with a section in Spanish where they explain everything (plus the summary that you will find on the cover). Eye! The cover slides much better than in the HP 300s + model, and inside it we will find some very practical little instructions for use.They have better screen quality and solve more functions. It is perfect as a first calculator, but maybe you should consider buying other similarly priced ones like the Casio fx-82 and fx-85 models, or one of the Canon or HP calculators. A shame… although it would probably cost a bit more. In the two main lines it will show the operations and the result. The number and basic operation keys are gray with white numbers DEL and AC in red with white digits rest of the functions in black (with slightly smaller keys) and SHIFT, ALPHA, cursors, MODE and ON in gray and rounded design at the top (they are the keys that look the worst of all).Īnd the screen has only two lines, so putting in longer operations becomes more awkward than in the 4-line models from Casio, HP and others.Īs always, in the upper part of the screen the calculator will show us the information of the mode of the same, units and others. Pressing the buttons is less comfortable. The keys do not have as good ergonomics as in the Casio models and it shows everything very cheap … but it works, which is the important thing. If Steve Jobs saw it he would give him a breakdown right there. Its manufacturing quality is quite fair, according to the low price it has … and if you open it, your soul falls to your feet, two button batteries connected to the calculator circuit. ![]() It depends on the color, but it can be purchased for between 10 and 15 euros and often for less than 10 euros. Scientific calculator brand less known than HP, Casio or Texas Instruments, but which has one important thing going for it: it is very, very cheap. Suitable calculator for first ESO courses.With solid sliding protective sleeve covers both sides of the calculator. ![]() The 2-line display shows entries and results at the same time.
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